1 /* $NetBSD: overlay.c,v 1.1.1.3 2010/12/12 15:23:16 adam Exp $ */ 2 3 /* overlay.c - deals with overlay subsystem */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 2001-2010 The OpenLDAP Foundation. 7 * Portions Copyright 2001-2003 Pierangelo Masarati. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 /* ACKNOWLEDGEMENTS: 19 * This work was initially developed by Pierangelo Masarati for inclusion 20 * in OpenLDAP Software. 21 */ 22 23 24 #include "portable.h" 25 26 #include <stdio.h> 27 #include <ac/string.h> 28 29 #include "slap.h" 30 #include "back-monitor.h" 31 32 /* 33 * initializes overlay subentries 34 */ 35 int 36 monitor_subsys_overlay_init( 37 BackendDB *be, 38 monitor_subsys_t *ms 39 ) 40 { 41 monitor_info_t *mi; 42 Entry *e_overlay, **ep; 43 int i; 44 monitor_entry_t *mp; 45 slap_overinst *on; 46 monitor_subsys_t *ms_database; 47 48 mi = ( monitor_info_t * )be->be_private; 49 50 ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME ); 51 if ( ms_database == NULL ) { 52 Debug( LDAP_DEBUG_ANY, 53 "monitor_subsys_backend_init: " 54 "unable to get " 55 "\"" SLAPD_MONITOR_DATABASE_NAME "\" " 56 "subsystem\n", 57 0, 0, 0 ); 58 return -1; 59 } 60 61 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) { 62 Debug( LDAP_DEBUG_ANY, 63 "monitor_subsys_overlay_init: " 64 "unable to get entry \"%s\"\n", 65 ms->mss_ndn.bv_val, 0, 0 ); 66 return( -1 ); 67 } 68 69 mp = ( monitor_entry_t * )e_overlay->e_private; 70 mp->mp_children = NULL; 71 ep = &mp->mp_children; 72 73 for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) { 74 char buf[ BACKMONITOR_BUFSIZE ]; 75 struct berval bv; 76 int j; 77 Entry *e; 78 BackendDB *be; 79 80 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i ); 81 bv.bv_val = buf; 82 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv, 83 mi->mi_oc_monitoredObject, mi, NULL, NULL ); 84 if ( e == NULL ) { 85 Debug( LDAP_DEBUG_ANY, 86 "monitor_subsys_overlay_init: " 87 "unable to create entry \"cn=Overlay %d,%s\"\n", 88 i, ms->mss_ndn.bv_val, 0 ); 89 return( -1 ); 90 } 91 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv ); 92 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL ); 93 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig, 94 on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv : 95 (struct berval *)&slap_false_bv, NULL ); 96 97 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo, 98 &bv, NULL ); 99 100 j = -1; 101 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { 102 char buf[ SLAP_LDAPDN_MAXLEN ]; 103 struct berval dn; 104 105 j++; 106 if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) { 107 continue; 108 } 109 110 snprintf( buf, sizeof( buf ), "cn=Database %d,%s", 111 j, ms_database->mss_dn.bv_val ); 112 113 ber_str2bv( buf, 0, 0, &dn ); 114 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso, 115 &dn, NULL ); 116 } 117 118 mp = monitor_entrypriv_create(); 119 if ( mp == NULL ) { 120 return -1; 121 } 122 e->e_private = ( void * )mp; 123 mp->mp_info = ms; 124 mp->mp_flags = ms->mss_flags 125 | MONITOR_F_SUB; 126 127 if ( monitor_cache_add( mi, e ) ) { 128 Debug( LDAP_DEBUG_ANY, 129 "monitor_subsys_overlay_init: " 130 "unable to add entry \"cn=Overlay %d,%s\"\n", 131 i, ms->mss_ndn.bv_val, 0 ); 132 return( -1 ); 133 } 134 135 *ep = e; 136 ep = &mp->mp_next; 137 } 138 139 monitor_cache_release( mi, e_overlay ); 140 141 return( 0 ); 142 } 143 144